EP1225348B1 - Elément d'un materiau composite avec une surface de rupture et procédé pour préparer un point de rupture - Google Patents

Elément d'un materiau composite avec une surface de rupture et procédé pour préparer un point de rupture Download PDF

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Publication number
EP1225348B1
EP1225348B1 EP01128810A EP01128810A EP1225348B1 EP 1225348 B1 EP1225348 B1 EP 1225348B1 EP 01128810 A EP01128810 A EP 01128810A EP 01128810 A EP01128810 A EP 01128810A EP 1225348 B1 EP1225348 B1 EP 1225348B1
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EP
European Patent Office
Prior art keywords
zone
component
fracture
energy beam
component according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01128810A
Other languages
German (de)
English (en)
Other versions
EP1225348A3 (fr
EP1225348A2 (fr
Inventor
Clemens Luchner
Ulf Dr. Tipkemper
Jürgen Mittrach
Helmut PÖLLATH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1225348A2 publication Critical patent/EP1225348A2/fr
Publication of EP1225348A3 publication Critical patent/EP1225348A3/fr
Application granted granted Critical
Publication of EP1225348B1 publication Critical patent/EP1225348B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
    • F16C9/04—Connecting-rod bearings; Attachments thereof
    • F16C9/045—Connecting-rod bearings; Attachments thereof the bearing cap of the connecting rod being split by fracturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D31/00—Shearing machines or shearing devices covered by none or more than one of the groups B23D15/00 - B23D29/00; Combinations of shearing machines
    • B23D31/002—Breaking machines, i.e. pre-cutting and subsequent breaking
    • B23D31/003—Breaking machines, i.e. pre-cutting and subsequent breaking for rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0006—Electron-beam welding or cutting specially adapted for particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/359—Working by laser beam, e.g. welding, cutting or boring for surface treatment by providing a line or line pattern, e.g. a dotted break initiation line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/003—Pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/005—Camshafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/006—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/16—Composite materials, e.g. fibre reinforced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26

Definitions

  • the invention relates to a component formed from a composite material that is at least partially limited by a fracture surface. Furthermore, the concerns Invention a method of preparing a largely in their course predetermined break separation point in a component.
  • fracture separation By fracture separation, it is possible, essentially without material removal Forming point in a workpiece.
  • the isolated by fracture separation Components have substantially complementary to each other Bruchrauhe Separating surfaces. About these interfaces, the scattered parts can almost gap-free, with high position accuracy and high Transverse force transmission capability are releasably joined together. With regard these features are suitable fracture separation process, especially for manufacturing highly loaded sliding bearing arrangements with split bearing seat - for example Pleul or crankshaft bearing assemblies.
  • a forged connecting rod for Reciprocating engines made of carbon steel with break-separated bearing cap discloses, in which the targeted breakage release at the large bearing eye for the Bearing cap a Anrißstelle is generated by at least partially along one side of the fracture separation plane from the component surface and arranged by means of cross-section weak webs separated, in particular blind hole-like Depressions, these webs at least in their free, component-near end sections by means of temperature-dependent microstructural transformations to martensite throughout their cross-section becoming permanently brittle are the first starter cracks for generating in particular of hardening cracks Obtain fragmentation.
  • the connecting rod according to DE 197 51 640 A1 has no (n) before the fracture separation or the preparation for fracture separation applied (n) bearing side Coating / storage insert on.
  • the training embrittlement of the webs based exclusively on the connecting rod material itself.
  • the known fracture separation methods require a comparatively high rigidity of the workpiece to be separated. Due to the initiation of the breaking process required high forces can even with high workpiece stiffness comparatively large elastic deformations of the workpiece occur. In particular, in composite components, these deformations of the Composite material are affected.
  • the invention is based on the object, a composite material component with a Fracture separation surface and a method for preparing a fracture separation point in a composite material component to create, in which the composite material in Less extent is affected by the breaking process.
  • This object is achieved by a method for preparation a break separation point in a composite material component, consisting of a first material zone and an adjacent second material zone with each other substantially without change the structural properties are arrested, in which in a for a crack initiation provided area is formed locally a brittle zone by means of an energy beam directed onto said area through the material of a first material zone and the material of a adjacent second zone locally a material diffusion is caused.
  • Method is used as a high-energy beam, a laser beam.
  • a high-energy beam it is possible as a high-energy beam to use an electron beam.
  • the diffusion zone with high Position accuracy can be formed in the workpiece.
  • the high-energy, preferably strongly focused beam can via a Beam guiding system so led over the intended crack initiation zone be swept by the crack initiation zone at least once.
  • the high-energy beam preferably the laser beam on the workpiece to produce a variety along the for the Crack initiation provided area of successively arranged diffusion points.
  • the high-energy beam at a given feed rate continuously on the workpiece leave.
  • the energy input can vary depending on the impact position of the controlled by high-energy beam. In a pulsed operation it is possible, the energy input through the pulse rate and the To control feed rate. It is also possible to have an intensity and / or To make focusing control.
  • the laser beam can be path-controlled via the zone intended for crack initiation to be moved.
  • a pulse radiation of the high-energy beam it is also possible to make the irradiation such that a predetermined temperature profile provided in the crack initiation Zone is reached.
  • This can be done with a mirror optics Laser beam can be achieved, for example, by the individual laser points such be radiated to a separation path that between the past three Laser points in each case the greatest possible distance prevails.
  • the dot density gradually increases until along the Crack initiation zone provided a gapless laser dot chain is present.
  • the Holes can be formed conically widened towards the component surface.
  • the distance between these blind holes can advantageously be determined in such a way be that the holes in their initial range closely approximate or possibly overlap.
  • the second material zone formed from an aluminum-based material. This makes it possible, by diffusion of Al atoms in the adjacent Area of the component, locally form a brittle mixed phase. In an advantageous manner Way, it is possible here, in the predetermined breaking range, the load capacity of Increase composite material. Especially in the formation of the second Material zone as a sliding bearing surface is ensured in an advantageous manner that the fracture surface essentially offset from one another the adjacent material zones passes.
  • the first Material zone of a carbon steel or a Ti alloy to form.
  • the first preferably corresponds to the component base material.
  • the object specified above is further solved by a Composite component which a first material zone and one of these adjacent second Material zone which are adhered to each other substantially without changing the structural properties, as well as having a fracture surface formed by fracture separation, wherein the fracture surface at least partially into a Crack initiation area extending into a locally formed brittle Diffusion zone extends, wherein the brittle diffusion zone is formed by a high-energy beam, a local diffusion of the material of the Material zones is caused in each other.
  • Composite component a Pleul or one of a Pleulgrund stresses severed Pleuldeckel.
  • comparatively large elastic deformations are allowed it is in particular also possible to form the composite component as a bearing shell.
  • the second material zone may consist of a bearing material be formed, for example, a light metal alloy.
  • the first material zone forms advantageously already the bearing shell or Pleulgrundêt and is made of a material based on a Ti alloy, a carbon steel, or a sintered material, formed.
  • the second material zone may contain alloying additives which support the local formation of a brittle material zone.
  • a bearing material with a major proportion of copper, tin or Aluminum may preferably contain admixtures of phosphorus, arsenic or graphite be provided. As a result, in interaction with a steel material a local, brittle Martensitzone be formed.
  • the second material zone CuAl7-10, CuSn8, CuSnP, SnSb7, CuAIFe, CuAIMn, CuAlSe, CuAIB, AlSn20 if necessary with admixtures of O2, H2, N2 or boron, proved. Additions of Fe Mn and Si support local embrittlement also.
  • the first material zone is particularly suitable steel with a Carbon content of about 0.7%.
  • the first material zone is preferably cold with the second material zone arrested.
  • This adhesion can be caused by an electrolytic process or preferably be achieved by a pressing, in particular rolling. It is possible, in particular, in an area lying between the two zones the surface adjacent to the first material zone, one for forming the second Material zone provided for example bearing bush, a Adhesion-promoting layer, for example in the form of a pure aluminum layer, provided.
  • the composite of the two material zones can in particular by preparatory processing of the surfaces of the contiguous Workpiece zones are affected. It is possible to defined here Surface roughness by grinding, blasting and / or etching treatments provided.
  • the material composite component shown in sections in Fig. 1 comprises a first material zone 1 and a second material zone 2 here from a aluminum-containing bearing material is formed.
  • the two material zones are 1.2 Arrested over a Haftmaschinenzone 3 with each other.
  • the Haftmaschinenzone 3 is at this embodiment formed by a rolling process.
  • the material of the first material zone 1 is in the present embodiment preferably a steel material with a carbon content in the range of 0.28% to 0.80%.
  • the Crack initiation zone 6 includes here next to blind hole-like depressions 7 a brittle material zone 8.
  • the brittle Material zone 8 formed by an AL / Fe mixed phase, in the context of local Heating of the composite material component arises.
  • the spatial extent of the local brittle material zone 8 is determined by the Energy input determined by the high-energy beam 5.
  • the blind hole-like depressions 7 in combination with the locally embrittled Material zone 8 becomes a particularly favorable cracking behavior and a reliable one Crack initiation and formation of the fracture surface 4 achieved.
  • Fig.2a is a Pleul 9 for a reciprocating engine, in particular Internal combustion engine shown. Details of this Pleuls are shown in Figures 2b and 2c. On these detailed representations is in the context of Explanations to Fig.2a reference.
  • the Pleul 9 is both in the area of Pleulauges 10 and in the area of a Crankpin bore 11 with plain bearing inserts 12, 13, provided.
  • Slide bearing insert 13 is made of an Al-based bearing material and over a pure aluminum layer on a rough inner peripheral surface 14 (see Fig.2b) of Pleulgrund stresses 15 rolled.
  • a slide bearing insert 13th forming female member under a transition or interference fit in the Inserted crank pin bore 11 and then under centric expansion repeatedly rolled over with several rolling elements. Overrolling can For example, by several axially staggered and employed roles - or by ball elements, done.
  • the base material of the Pleuls 9 forms the above in connection with Fig.1 described first material zone 1.
  • the in the region of the crank pin bore 11th rolled sliding bearing insert 13 corresponds to the second material zone. 2
  • the Pleul 9 comprises a bearing cap 16 of the fracture separation surfaces 4 and (at the later installation in an internal combustion engine) via not shown Clamping screws is coupled to a Pleulschaft 19.
  • the fracture separation surfaces 4 are formed by a cracking process. These are diametrically opposed to each other opposite areas 20, 21 in the crank pin bore 11 of the Pleuls 9, Crack initiation zones 6 formed. These crack initiation zones 6 each comprise a brittle material portion 8 extending along in an axial plane of Crankshaft bore 11 in the region of an axial line 22 (Fig.2b) extends.
  • the brittle material section 8 is here by local diffusion of the material of Slide bearing insert 13 produced in the steel material of Pleulgrund stressess.
  • the Training is made here such that a blind hole area 23 of blind hole-like, formed by laser notches recesses 7 to the brittle Material zone 8 protrudes.
  • the distance between the blind hole-like depressions 7 is chosen such that in the region of the inner peripheral surface of the Almost overlay plain bearing insert 13.
  • the invention is not limited to the embodiments described above limited.
  • the invention is suitable in general for components based on a composite material in which by focused supply of energy a local diffusion process to form a brittle mixing zone can be caused.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (16)

  1. Procédé pour préparer un point de rupture dans un élément en matériau composite, composé d'une première zone de matériau et d'une deuxième zone de matériau voisine, qui adhèrent l'une à l'autre sans variation de leurs propriétés de structure,
    selon lequel
    on forme localement une zone fragile dans une région prévue pour une amorce de fissuration, en provoquant localement une diffusion de matériau au moyen d'un faisceau énergétique dirigé sur cette région à travers le matériau de la première zone et le matériau de la deuxième zone voisine.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le faisceau énergétique utilisé est un faisceau d'électrons.
  3. Procédé selon la revendication 1,
    caractérisé en ce que
    le faisceau énergétique utilisé est un faisceau laser.
  4. Procédé selon au moins une des revendications 1 à 3,
    caractérisé en ce que
    le faisceau énergétique balaie la région choisie pour amorcer la fissuration.
  5. Procédé selon au moins une des revendications 1 à 4,
    caractérisé en ce que
    le faisceau laser est pulsé, de façon à produire une pluralité de points laser disposés successivement le long de la région prévue pour amorcer la fissuration.
  6. Procédé selon au moins une des revendications 1 à 5,
    caractérisé en ce que
    la focalisation du faisceau laser ainsi que son intensité sont adaptées l'une à l'autre de façon à former des empreintes en forme de trous borgnes au moins dans une des zones de matériau.
  7. Procédé selon au moins une des revendications 1 à 6,
    caractérisé en ce que
    la première zone de matériau est constituée d'un acier au carbone ou d'un alliage de titane.
  8. Procédé selon au moins une des revendications 1 à 7,
    caractérisé en ce que
    la deuxième zone de matériau est constituée d'un matériau à base d'aluminium.
  9. Elément comportant une première zone de matériau (1) et une deuxième zone de matériau voisine (2), qui adhèrent l'une à l'autre sans variation des propriétés de structure, et une surface de rupture (4) formée par une rupture,
    caractérisé en ce que
    la surface de rupture (4) est délimitée au moins en partie par une zone d'amorce de fissuration (6), qui est située dans une zone de diffusion fragile locale (8), la zone de diffusion fragile (8) étant formée en provoquant une diffusion locale du matériau de la deuxième zone (2) dans le matériau de la première zone (1) au moyen d'un faisceau énergétique (5).
  10. Elément selon la revendication 9,
    caractérisé en ce que
    celui-ci est une bielle (9) ou un chapeau de bielle (16).
  11. Elément selon la revendication 9,
    caractérisé en ce que
    celui-ci est constitué par une coquille de coussinet.
  12. Elément selon au moins une des revendications 9 à 11,
    caractérisé en ce que
    la deuxième zone de matériau (2) est constituée d'un matériau à base d'aluminium.
  13. Elément selon au moins une des revendications 9 à 12,
    caractérisé en ce que
    la première zone de matériau (1) est constituée d'un acier au carbone ou d'un matériau à base d'un alliage de titane.
  14. Elément selon au moins une des revendications 9 à 13,
    caractérisé en ce que
    la première zone de matériau (1) est assemblée de manière adhérente à la deuxième zone de matériau (2) par une opération de laminage.
  15. Elément selon au moins une des revendications 9 à 14,
    caractérisé en ce que
    la deuxième zone de matériau (2) est déposée sur la première zone de matériau (1) dans le cadre d'une opération de dépôt ou par voie électrolytique.
  16. Elément selon au moins une des revendications 9 à 15,
    caractérisé en ce que
    la deuxième zone de matériau (2) forme une surface de palier lisse.
EP01128810A 2001-01-20 2001-12-04 Elément d'un materiau composite avec une surface de rupture et procédé pour préparer un point de rupture Expired - Lifetime EP1225348B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10102641A DE10102641A1 (de) 2001-01-20 2001-01-20 Werkstoffverbung-Bauteil mit einer Bruchfläche sowie Verfahren zur Vorbereitung einer Bruchtrennstelle
DE10102641 2001-01-20

Publications (3)

Publication Number Publication Date
EP1225348A2 EP1225348A2 (fr) 2002-07-24
EP1225348A3 EP1225348A3 (fr) 2003-05-21
EP1225348B1 true EP1225348B1 (fr) 2005-03-09

Family

ID=7671284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128810A Expired - Lifetime EP1225348B1 (fr) 2001-01-20 2001-12-04 Elément d'un materiau composite avec une surface de rupture et procédé pour préparer un point de rupture

Country Status (4)

Country Link
EP (1) EP1225348B1 (fr)
AT (1) ATE290658T1 (fr)
DE (2) DE10102641A1 (fr)
ES (1) ES2234755T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713316A (zh) * 2010-03-09 2012-10-03 宝马股份公司 用于制造被断裂分离的构件的方法和按该方法制造的构件

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018922A1 (de) * 2004-04-20 2005-11-17 Bayerische Motoren Werke Ag Verfahren zur Herstellung eines Bauteils mit einer bruchgetrennten Lageranordnung
DE102008030897B3 (de) * 2008-06-30 2009-08-13 Ford Global Technologies, LLC, Dearborn Montageverfahren für ein Lager an einer Welle
DE102008047688A1 (de) 2008-09-18 2010-03-25 Man Nutzfahrzeuge Ag Verfahren zum Bruchtrennen von Werkstücken

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303592A1 (de) * 1993-02-08 1994-08-11 Krebsoege Gmbh Sintermetall Verfahren zum Herstellen eines Bauteils mit wenigstens einem geteilten Lagersitz

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970783A (en) * 1989-12-14 1990-11-20 Ford Motor Company Method of making split remateable connecting rod portions
EP0868245B1 (fr) * 1995-12-19 2002-10-02 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Procede de formation d'une zone d'amorce de rupture pour la separation par cassure d'un composant, en particulier d'une bielle pour moteur a combustion interne
GB2320308B (en) * 1996-10-25 2000-10-25 Honda Motor Co Ltd Method of manufacturing connecting rod
DE19751640A1 (de) * 1997-11-21 1999-05-27 Bayerische Motoren Werke Ag Geschmiedetes Pleuel für Hubkolbenmaschinen aus Kohlenstoffstahl mit bruchgetrenntem Lagerdeckel
DE19752753A1 (de) * 1997-11-28 1999-06-02 Bayerische Motoren Werke Ag Verfahren zum Bruchtrennen eines Lagerdeckels bei einem Pleuel für Hubkolbenmaschinen
DE19849457C2 (de) * 1998-10-28 2001-02-08 Spicer Gelenkwellenbau Gmbh Kreuzgelenk
DE19911067A1 (de) * 1999-03-12 2000-09-14 Bayerische Motoren Werke Ag Verfahren zur Ausbildung einer Anrißstelle zum Bruchtrennen eines Bauteiles aus einem Kohlenstoffstahl
DE10017691A1 (de) * 2000-04-08 2001-10-11 Bayerische Motoren Werke Ag Verfahren zur Ausbildung einer Schwächungslinie in einem bruchtrennbaren Bauteil, insbesondere mit einer Lageranordnung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303592A1 (de) * 1993-02-08 1994-08-11 Krebsoege Gmbh Sintermetall Verfahren zum Herstellen eines Bauteils mit wenigstens einem geteilten Lagersitz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713316A (zh) * 2010-03-09 2012-10-03 宝马股份公司 用于制造被断裂分离的构件的方法和按该方法制造的构件
CN102713316B (zh) * 2010-03-09 2014-12-10 宝马股份公司 用于制造被断裂分离的构件的方法

Also Published As

Publication number Publication date
DE50105530D1 (de) 2005-04-14
EP1225348A3 (fr) 2003-05-21
DE10102641A1 (de) 2002-07-25
ATE290658T1 (de) 2005-03-15
EP1225348A2 (fr) 2002-07-24
ES2234755T3 (es) 2005-07-01

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